ANGER: The teacher takes out his frustration on pupils' phones (Pic: Facebook)

The school’s deputy head teacher Daniel Esseng later justified the action by pointing to his strict no-mobile rules, one of which states that all devices “confiscated within the high school’s grounds will be immediately destroyed.”

There are, however, some exceptions he insisted — for example, if a student has health problems. Esseng explained that the majority of phones in the video had been seized years ago, and only a few in that pile had been recently confiscated.

The intended message was, he said, to show students that the rules should be followed.

Esseng stressed that, as far as he knew, parents hadn’t complained to staff members about the somewhat radical approach.

The students, however, were frustrated that they had not been verbally informed about the school rules, he said.

BANNED: Some schools have banned pupils from using phones (Pic: Getty)

It is not the first time teachers have taken extreme action against the mobile phones in the classroom.